2025-03-15 14:32:01 192.168.1.105 tb-rg.adguard.net A Blocked (blacklist) indicates that a device tried to resolve that domain, and your filter prevented it. Many consumer and professional routers (e.g., Ubiquiti UniFi, MikroTik, Asus) maintain DNS and connection logs. You might see:
| Aspect | Verdict | Explanation | |--------|---------|-------------| | | ✅ Safe | adguard.net is a legitimate, well-known privacy company. | | Encryption | ✅ Safe | If accessed over DoH/DoT, traffic is encrypted. | | Malware history | ✅ Clean | No major antivirus flags known for this subdomain. | | Tracking potential | ⚠️ Low | AdGuard collects anonymized query data if you opt in, but not PII. | | False positives | ⚠️ Possible | Overzealous firewalls may mistakenly block it. | tb-rg adguard.net
https://tb-rg.adguard.net/dns-query?ct=application/dns-message 2025-03-15 14:32:01 192
tb-rg.adguard.net to your deny list or blacklist. If you see it being blocked and suspect a false positive, add it to your allow list. First, verify it’s legitimate by accessing it in a browser – https://tb-rg.adguard.net – but note: many backend DNS endpoints do not serve HTTPS web pages (expect a 404 or timeout). Reporting a False Positive If your security software tags this domain as a threat, report it as a false positive to that vendor. Provide proof via dig or nslookup showing the domain resolves to an AdGuard-owned IP. Part 7: Advanced – Technical Deep Dive into AdGuard’s DNS Architecture To truly understand tb-rg , we need to look at how AdGuard DNS operates at scale. DNS-over-HTTPS (DoH) and Dynamic Routing When you use https://dns.adguard.net/dns-query , your requests are routed through a reverse proxy. That proxy uses dynamic subdomains internally to track sessions, apply rate limiting, and log without storing IP addresses. A DoH request might be rewritten to: | | Encryption | ✅ Safe | If
At first glance, it looks like a fragmented domain – a hybrid of an unknown prefix ( tb-rg ) and a well-known DNS filtering service ( adguard.net ). Is it a threat? A tracking domain? A misconfigured service? Or simply a benign part of AdGuard’s infrastructure?
